Data Sufficiency

Two positive integers a and b are divisible by 5, which is their largest common factor. What is the value of a and b?

(1) The lowest number that has both integers a and b as its factors is the product of one of the integers and the greatest common divisor of the two integers.
(2) The smaller integer is divisible by 4 numbers and has the smallest odd prime number as its factor.

What's the best way to determine whether statement 1 is sufficient? Can any experts help?